sandy is pushing water up, some of the major rivers along the u.s. east coast. and that means the threat of serious flooding, as far inland at least right now as washington, d.c. chris lawrence is along the city's main point of defense for the waters of the potomac river, talking about the tidal basin. chris, what's going on over there? >> reporter: we're starting to see the winds starting to pick up a lot here. you can definitely see the waves starting to lap here in the tidal basin. if you take a look, an iconic view of washington, d.c., that's the jefferson memorial, with the waters really starting to pick up here. one of the things we've followed throughout the day is the power outages. to give you an idea how quickly things have changed since we've been out here, in just a matter of a couple of hours, it's gone from maybe 9,000 people without power to probably over 60,000 people without power. and even though this is a storm that is affecting mostly the east coast, as this storm pushes up the coast, the people responding are coming from all over the country. some of the area compani